to Vytautas Šaltenis:
try it either this way
$ sudo sh -c "echo 20 > /sys/module/scsi_mod/parameters/inq_timeout"
or as two commands
$ sudo su # echo 20 > /sys/module/scsi_mod/parameters/inq_timeout
to Vytautas Šaltenis:
try it either this way
$ sudo sh -c "echo 20 > /sys/module/ scsi_mod/ parameters/ inq_timeout"
or as two commands
$ sudo su scsi_mod/ parameters/ inq_timeout
# echo 20 > /sys/module/